July 18, 2007

Final edits to ozone RIA proposal, per call with OMB

1. Chapter 3, pages 2-3   	OMB sending suggested revision and placement
suggestion 				for language on PRB

2. Chapter 4			Removed highlighting

3. Table 5.8			Added footnote to explain negative extrapolated costs for
					0.079 

4. Chapter 5 			Added “potential” to text EPA added on technology
change

5. Chapter 8			Last section:  added detail to language on cost 					
effectiveness.

6. Appendix 5			Added number of tons to percent change due to 					
continuous I/M.

7. Table 3.1			Added text to footnote on illustrative PM 15/35 controls,
					pointing to section of PM NAAQS RIA where these 					controls are
listed.  Added URL.

8. Section 2.1			Deleted text  “….due to the high density of traffic
with 					NOx emissions.”

9. Section 3.1			Made the following edit:  “Some areas, such as  Two
areas 					in Southern California…”

10. Chapter 1			Added CEA language:  “We are investigating options for
					conducting a CEA and expect to provide estimates based 

				on that analysis in the final RIA.”

10. Other EPA changes:

				Chapter 3, Fig 3.3  Changed “Best Workplace Commuter 				
Program” to “Commuter Reduction Strategies”

				Section 4.2 Edited language to more clearly articulate that 				
sensitivity analyses done for extrapolated tons in final will 				
include analysis of the geographic application of impact 					ratios.

